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Unit 1 Solving Linear Systems by GraphingLearning Goals: I can solve a linear system by graphing and check my solution by substitution
Warm-Up: Graph of the DayWhat is the solution to this linear system? Use the graph to determine the equation for each line in y= mx + b form. Label graphs ‘a’ and ‘b’
Solving Linear Systems by GraphingRecall: There are 3 ways to graph a line Table of values Intercepts Slope and y-intercept
Example 1 – Table of Values
Example 2 – Intercepts
Example 3 – Slope and y-intercept
Homework Pg # 1-9 (a,d), 11, 12 Quiz #1 on Wednesday (Solving Linear Systems by Graphing)
Warm up Write the equation of the line passing through the given point with the given slope. Then graph the line. 1. (-4, -3), m = 2. (8, 2), m =
Objective - To graph linear equations using the slope and y-intercept.
WARM UP 1. Explain how to graph a linear equation written in slope-intercept form. 2. Explain how to graph a linear equation written in point-slope form.
Parallel & Perpendicular Slopes II
2-3C Finding an Equation of a Line 2-3C Finding an Equation of a Line Objectives: To write an equation of a line using the slope-intercept equation.
Writing an Equation of a Line
Warm Up Find the slope of the line containing each pair of points.
Writing Linear Equations Using Slope Intercept Form
Parallel Lines. We have seen that parallel lines have the same slope.
Slope Intercept Form and Its Use in Graphing Presentation by: Colin Swan.
2.4 Writing the Equation of a Line
I can solve a two variable system by graphing. 3.1 SOLVING LINEAR SYSTEMS BY GRAPHING. YOU NEED GRAPH PAPER TODAY.
The table and graph suggest another method of graphing a linear equation. This method is based on two numbers. The SLOPE This is the coefficient of x.
Warm Up… Solve each equation for y.
EXAMPLE 1 Write an equation of a line from a graph
Warm up Write an equation given the following info:
Warm up Tell whether the relation is a function.
Linear Equations Unit. Lines contain an infinite number of points. These points are solutions to the equations that represent the lines. To find.
Graph: x + y = 5 1. Solve for y. 2. Make an X|Y chart. 3. Graph.
Y = 1 2 x y = 1 2 x - 1 What happens if we graph a system of equations and the lines are parallel?
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